Open your gated driveways from as far as 100 ft. away without ever having to leave your vehicle. This easy-to-install Mule gate opener is operated by a 12-volt, 7-amp battery that is trickle charged from any 110 AC outlet up to 1000 ft. away. Trickle charger is connected to the Mule gate opener control box by a continuous length of 16-gauge low-voltage wire. Battery provides backup during power outages. Built-in safety obstruction sensor stops and reverses gate travel if it comes into contact with a vehicle, animal or person. Mule gate opener code can be customized for added security. One entry transmitter included. USA made.